package com.riant.test1;

import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.lang.ref.SoftReference;

public class Demo1 {
    public static void main(String[] args) {

        int[] arr={1,2,3};
        A[] arrA={new A(),new A()};
        boolean flag=true;
        Boolean flags=new Boolean(true);
        System.out.println(arr.getClass());
        System.out.println(arrA.getClass());
        System.out.println(Demo1.class);
        Double dous=new Double(3.14);
        Float floa=new Float(3.25);
        System.out.println("hello.world");
    }
}

class A{

}
